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At this point, the answer to how do tornadoes form follows a very specific and predictable pattern:
First, the wind changes direction and wind speed increases. As the change in wind speed increases in altitude, a horizontal spinning starts at the lower atmosphere. Then, the air rises with the thunderstorms updrafts, causing the horizontal rotation to become vertical. Finally, the lower cloud base becomes a wall cloud and a tornado forms.
Can tornadoes be predicted and how?
To predict when and where a tornado might touch town, scientists have a range of tools at their disposal—they can measure wind speed and pressure through weather stations and watch doppler radar, for instance. But tornadoes can be fleeting—most last for less than 10 minutes.
Continue to monitor your battery-powered radio or television for emergency information. Inspecting the Damage. After a tornado, be aware of possible structural, electrical, or gas-leak hazards in your home. A few additional ideas to look into: safety during clean up, wear sturdy shoes or boots, long sleeves, and gloves, and children’s needs.
By followings the weather report. Before 2–4 hours of a tornado there may be a scary silent environmental weather. Just before the tornado starting there always cloud & wind blows towards the point of the tornado. Here i found a beautiful Strom video, that well describe the nature of a strom.
Signs that a twister is coming include: Dark greenish skies., and large hail. Dark, rotating, low-altitude cloud. Loud roar, like a train. Despite the fact that meteorologists are now better able to predict them, tornadoes can strike with little warning. Therefore, it’s best to be prepared well before a tornado approaches.
What do you do when a tornado occurs?
What to do During a Tornado Stay Weather-Ready: Continue to listen to local news or a NOAA Weather Radio to stay updated about tornado watches and At Your House: If you are in a tornado warning, go to your basement, safe room, or an interior room away from windows.
After the tornado passes. After a tornado dies out watch for dangerous debris that may have fallen during the storm. Be on the look out for: Fallen power lines; Broken gas lines; Sharp debris; NOAA reminds you that safety is not guaranteed inside a tornado, and to know the signs of a tornado.